可以再生，无污染。2、不同之处：由于适用对象不同，要求不同造成两者的区别很大。

Can regenerate, pollution-free. 2, Difference: Because applicable targets are different, require differently to cause the two to have very big difference.

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由于适用的考试磁带无法被及时送达有关考点，教育部考试中心立刻宣布，433名当时来考点参加考试的考生可以获得考试费用的全额退款或免费参加补考。

NEEA immediately announced to the 433 candidates who were at the test centers at the time of the test that they could either get a full refund of their testing fees, or take a free make-up test.

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研究人员承认，由于他们的研究对象都是以色列的中产阶级家庭，因此，研究结果有可能不适用于其他文化背景的家庭。

The researchers acknowledge that since the families they studied were all middle-class Israelis, it's possible the results would be different in different cultures.

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